- Not settled in opinion; undetermined; wavering;
hesitating in belief; also used, metaphorically, of the body when its
action is affected by such a state of mind; as, we are doubtful of a
fact, or of the propriety of a measure. - Admitting of doubt; not obvious, clear, or certain;
questionable; not decided; not easy to be defined, classed, or named;
as, a doubtful case, hue, claim, title, species, and the like. - Characterized by ambiguity; dubious; as, a doubtful
expression; a doubtful phrase. - Of uncertain issue or event. - Fearful; apprehensive; suspicious.
Meaning of 'doubtful' (Princeton's WordNet)
1 . doubtful
[ s]
Meaning (1): - unsettled in mind or opinion
Example in sentence:
drew a few tentative conclusions
Meaning (2): - fraught with uncertainty or doubt
Example in sentence:
dubious about agreeing to go;
it was doubtful whether she would be admitted;
they were doubtful that the cord would hold
Meaning (3): - open to doubt or suspicion
Example in sentence:
he has a dubious record indeed;
it was more than dubitable whether the friend was as influential as she thought;
the candidate's doubtful past;
what one found uncertain the other found dubious or downright false